IGCSE Biology Paper-3: Specimen Questions with Answers 29 - 32 of 230

Passage

Study the diagrams below carefully.

Figure shows two types of cells(A & B)

Figure Shows Two Types of Cells (A & B)

Above picture shows two type of cells one is plant cell and another is animal cell

Question number: 29 (3 of 3 Based on Passage) Show Passage

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Short Answer Question▾

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Write similarities between plant cells and animal cells

Explanation

Both have a nucleus, cytoplasm, plasma membrane, Golgi apparatus, endoplasmic reticulum and ribosomes.

Question number: 30

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Short Answer Question▾

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Some plant leaves collected from the garden. Suggest an investigation you might carry out which would indicate water is present in living organisms.

Explanation

At first plant, leaves are heated in a test tube and collected the condensed vapor in a beaker. Then add 1 - 2 drops of white anhydrous copper sulphate, each specimen produce a clear liquid, which turns white copper sulphate blue. Such experiment shows that living organism contain water.

Question number: 31

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MCQ▾

Question

This picture shows carbon cycle. What is x?

picture shows carbon cycle

Picture Shows Carbon Cycle

shows image in the process of respiration animals release carbon di oxide into the atmosphere.

Choices

Choice (4) Response

a.

Decomposition

b.

Burning process

c.

Photosynthesis

d.

Respiration

Answer

d.

Explanation

By the process of respiration animals release carbon di oxide into the atmosphere.

Question number: 32

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When waste materials are dump into water resource how it affects water Quality.

Explanation

Water quality will decrease. It reduce turbidity of water and pH of water will be change, which is very harmful for aquatic plants and animals.